Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


what are the five types of vertebrates mammals,birds,reptiles,amphibians,and fish
how are birds and mammals alike they both feed their young and their warm-blooded
why is the ability to fly not a defining charactertistic of birds not all birds can fly,and bats and insects can fly
what is the defining characteristics of birds feathers
why do birds hatch with their parents around and reptiles are not birds need to be fed reptiles don't need to be fed
how are amphibians and repties alike they both are cold-blooded and they both hatch from eggs
why are tadpoles not considered fish they start to grow legs,then their tale dissapear.they also start to breath through their lungs,and they don't live in the water their whole lives.
Created by: freda sapong